Mamie Gummer arrives at 'The Lifeguard' Premiere - 2013 Sundance Film Festival at Library Center Theater on January 19, 2013 in Park City, Utah.
{"Image ImageDescription": "PARK CITY, UT - JANUARY 19:  Mamie Gummer arrives at \"The Lifeguard\" Premiere - 2013 Sundance Film Festival at Library Center Theater on January 19, 2013 in Park City, Utah.  (Photo by Joe Scarnici/Getty Images)", "Image Copyright": "2013 Joe Scarnici"}